Apparatus for advancing particulate material

Apparatus for delivering a glass stream

Apparatus for the production of stemmed glassware

Apparatus to prepare discrete hollow microsphere droplets

Backup structure for a pipe for feeding a molten substance of hi

Bottom outlet device for a glass melting furnace

Ceramic orifice ring

Crucible for the production of single-material light-guiding fib

Device for extraction by pouring with a regulatable flow rate of

Device for glass melt delivery and method for using them

Discharging device for a glass melting furnace

Drive apparatus for straight line shear mechanism

Feeder conduits for a glass furnace with heating electrodes

Feeder mechanism for supplying gobs of plastic material

Feeder trough for transferring molten glass from a furnace to a

Flow control means for molten glass or the like

Freeze valve having multiple heating-cooling means

Furnace outlet

Glass feeder

Glass feeder heat baffle